Fixed namespace formatting across all files.

refs: #3735

Change-Id: Ia04f0895de9906e280d6140f775bb6609db714e6
diff --git a/src/route/nexthop-list.hpp b/src/route/nexthop-list.hpp
index 2d8ca88..be0c144 100644
--- a/src/route/nexthop-list.hpp
+++ b/src/route/nexthop-list.hpp
@@ -106,6 +106,6 @@
   std::list<NextHop> m_nexthopList;
 };
 
-}//namespace nlsr
+} // namespace nlsr
 
 #endif //NLSR_NEXTHOP_LIST_HPP